This 22" AR-STONERâ„¢ LR-308 Barrel is perfect for use in competition or hunting where both accuracy and reliable function are important factors. Chambered in 243 Winchester and manufactured from 416R Stainless Steel, this 1 in 8" twist, heavy contour barrel gives you high quality at a great value. Additional features include a rifle-length gas port, M4 Feed Ramps and 5/8"-24 threaded muzzle. The barrel extension and locator pin are both included and installed at the factory | |